[Bf-committers] Compile warnings // paint tool discussion
bjornmose
bjornmose at gmx.net
Sat Sep 17 02:34:06 CEST 2005
Brecht Van Lommel wrote:
>
> Hey,
>
> bjornmose wrote:
>
>> Brecht Van Lommel wrote:
>>
>>>
>>> Hi,
>>>
>>> Some notes/questions:
>>> - The tool shape drawing forces the whole image window to redraw on
>>> every mouse move. This makes it really slow when working with a big
>>> image here. I don't think this is acceptable, and providing a user
>>> setting
>>> to disable it doesn't really solve the issue.. . Since the tool
>>> shape is a
>>> XOR circle, it should be possible to draw over it, and draw a new
>>> circle
>>> without having to redraw the whole window. But that would require
>>> frontbuffer drawing .. . It might be best to disable this until it
>>> is coded
>>> better.
>>
>>
>> I had in mind that some OpenGL drivers have problems with front buffer
>> drawing and IIRC there was a discussion on #IRC that preferably a
>> partial backbuffer update of the image space should be coded. I'm
>> afraid thats beyond my OGL skills right now.
>
>
> I'm aware of the frontbuffer issues. But coding a real solution for this
> is beyond my basic understanding of how the drawing system works.
> I will disable it for now.
right now i'm torn between *users* and *coders* view
sure mine is a *brute force* solution and i pointed that out when
submitted the patch ..
still: some users may happily live with a slow down rather than not
knowing where/how their action will end up
..
thinking loud
..
BM
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